D-Link DI-704P User Manual page 8

Ethernet broadband router

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Point-to-Point Tunneling Protocol (PPTP)

PPTP uses proprietary means of connecting two private networks over the

Internet. PPTP is a way of securing the information that is communicated between

networks. PPTP secures information by encrypting the data inside of a packet

IP Security (IPSec)

IPSec provides a more secure network-to-network connection across the Internet

or a Wide Area Network (WAN). IPSec encrypts all communication between the

client and server whereas PPTP only encrypts the data packets.

Both of these VPN implementations are used because there is not a standard for

VPN server software. Because of this, each ISP or business can implement its

own VPN network making interoperability a challenge.

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